ELECTRO SALES CO., INC.
:   BLDC Motors with Encoders
 
Brushless DC Motor with Encoders:

All of our four brushless DC motors are avilable with encoders posisioned internally. They have input voltage of 4.5 to 5.5 Vdc and a resolution of 250 CPR. They are of a dual channel output type and, during clockwise rotation, phasing A leads B by 90° +/- 30° electrical.


1. Encoders having different values may be specified
2. Dimensional drawings

MOTOR CHARACTERISTICS
Model Number Continous Torque
(Oz-in)		 Peak Torque
(oz-in)		 Rotor Inertia
(Oz-in-s²)†		 Thermal Resistance
(ºC/Watt)†		 Thermal Time Const.(min) Max Winding Temp.(ºC) Winding Type Poles Max Speed
(Rpm)		 Radial Load
(Oz)		 Axial Load
(Oz)		 Weight
(Oz)
4811-004 7 40 .0006 10 10 130 3Ø 8 6000 80 48 18
4821-004 15 85 .0015 7 15 130 3Ø 8 6000 125 75 25
4822-004 25 165 .0030 5.5 22 130 3Ø 8 6000 125 75 35
4823-004 35 250 .0045 4.5 25 130 3Ø 8 6000 125 75 25

WINDINGS CHARACTERISTICS
Model Number Vin
(Vdc max)		 Ke
V(rpm)†		 Kt
Oz-in(Amp)†		 Phase Resistance
(Ohms) †		 Phase Inductance
(mH)††		 Continous Current
(Amp)		 Peak Current
(Amp)
4811-004 40 6.14 8.3 5.7 5.7 .84 4.8
4821-004 40 6.14 8.3 2.0 3.0 1.8 10.2
4822-004 40 6.14 8.3 1.0 1.6 3.0 19.9
4823-004 40 9.75 13.2 1.4 2.4 2.6 18.9

†   ± 10%
†† ± 15%

CONNECTION TABLE
4811-004 482x-004
Pin Function Pin Function
1 Channel B 7 Vcc
2 Channel A 8 Phase C
3 COMM S1 9 Phase B
4 COMM S3 10 Phase A
5 COMM S2 11 Motor Case
6 GROUND    
Pin Function Pin Function
1 N/C 8 Phase C
2 N/C 9 Phase C
3 COMM S1 10 Phase B
4 COMM S3 10 Phase B
5 COMM S2 12 Phase A
6 GROUND 13 Phase A
7 Vcc 14 Motor Case



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